Find the viscosity of the Newtonian liquid whose shear stress- shear rate curve is given in Fig. 2.33. 1, dyne /cm² 10 01 02 03 04 05 06 dwidt. 1/sec
Find the viscosity of the Newtonian liquid whose shear stress- shear rate curve is given in Fig. 2.33. 1, dyne /cm² 10 01 02 03 04 05 06 dwidt. 1/sec
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Sample Problem 2.7
Find the viscosity of the Newtonian liquid whose shear stress-
shear rate curve is given in Fig. 2.33.
t, dyne /em?
OFO 01
● 0.1 0.2 0.3 0.4
dv/dt. 1/sec
Figure 2.33 Figure for sample problem 2.7
Solution:
Since
dy/dt the slope of the curve given in Fig. 2.33
represents the viscosity.
Slope
30dyne/cm²
0.33/sec
90.9 poises.
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